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प्रश्न
A wave moving in a gas
विकल्प
must be longitudinal
may be longitudinal
must transverse
may be transverse.
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उत्तर
must be longitudinal
Because particles in a gas are far apart, only longitudinal wave can travel through it.
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संबंधित प्रश्न
When longitudinal wave is incident at the boundary of denser medium, then............................
- compression reflects as a compression.
- compression reflects as a rarefaction.
- rarefaction reflects as a compression.
- longitudinal wave reflects as transverse wave.
When a transverse wave on a string is reflected from the free end, the phase change produced is ..............
(a) zero rad
(b) ` pi/2 ` rad
(c) `(3pi)/4` rad
(d) `pi` rad
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Where x and y are in cm and t in s. The positive direction of x is from left to right.
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If it is travelling, what are the speed and direction of its propagation?
(b) What are its amplitude and frequency?
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(d) What is the least distance between two successive crests in the wave?
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y = 2 cos (3x) sin (10t)
